Exact Closed-Form Expressions for the Distribution, the Level-Crossing Rate, and the Average Duration of Fades of the Capacity of OSTBC-MIMO Channels

被引：20
|
作者：
Olav Hogstad, Bjorn [1 ]
Patzold, Matthias [1 ]
Youssef, Neji [2 ]
Kontorovitch, Valeri [3 ]
机构：
[1] Univ Agder, Fac Sci & Engn, N-4898 Grimstad, Norway
[2] Ecole Super Commun Tunis, Tunis 2083, Tunisia
[3] Natl Polytech Inst CINVESTAV, Ctr Adv Study & Res, Dept Elect Engn, Telecommmun Sect, Mexico City 07360, DF, Mexico
来源：
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2009年 / 58卷 / 02期
关键词：
Average duration of fades (ADF); channel capacity; cumulative distribution function (CDF); level-crossing rate (LCR); orthogonal space-time block code (OSTBC)-multiple-input-multiple-output (MIMO) systems; probability density function (PDF); Rayleigh fading channels; MODEL;
D O I：
10.1109/TVT.2008.927038
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper deals with some important statistical properties of the channel capacity of multiple-input-multiple-output (MIMO) systems with orthogonal space-time block code (OSTBC) transmission. We assume that all the subchannels are uncorrelated. For OSTBC-MIMO systems, exact closed-form expressions are derived for the probability density function (PDF), the cumulative distribution function (CDF), the level-crossing rate (LCR), and the average duration of fades (ADF) of the channel capacity. Furthermore, it will be shown that these exact closed-form expressions can be used to characterize the channel capacity of single-input-multiple-output (SIMO) and multiple-input-single-output (MISO) systems. In addition, a Gaussian approximation to the exact LCR of the capacity of OSTBC-MIMO systems is derived. The correctness of the derived closed-form expressions and the approximation is confirmed by simulations.
引用
收藏
页码：1011 / 1016
页数：6
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